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Patent Searching and Data


Matches 151 - 200 out of 2,710

Document Document Title
WO/1992/003659A1
A system for simultaneously degassing and pumping a liquid from a source includes in combination a gaseous liquid source (2) having a feed inlet (3) for the liquid so as to form a liquid surface at a first level; a degassing pump (5) for...  
WO/1992/001298A1
A recirculation system (10) is disclosed for driving reactor coolant water (114), contained in an annular downcomer (118) defined between a reactor vessel and a reactor core spaced radially inwardly therefrom. The system includes a plura...  
WO/1992/000449A1
The proposal is for an assembly for feeding fuel from the fuel tank (10) to the internal combustion engine (18) of a motor vehicle. The feed assembly (12) comprises a feed pump arranged in the fuel tank and taking the form of a full-flow...  
WO/1991/013258A1
A self-priming device for pumping a carrier fluid from a first to a second enclosure (5), comprising a (depression effect) self-priming pump including an endless screw (1) attached to a core (30) in order to form threads which define a s...  
WO/1991/007592A1
The problem of space and weight limitations for liquid ring pumps and regenerative pumps in aerospace applications is solved by a pump having a housing defining a first chamber (22) and a second chamber (24) independent of the first cham...  
WO/1991/006778A1
A regenerative pump (1) and method of discharging pressurized fluid therefrom wherein direct flow of pressurized fluid from side channels (10, 11) of the pump into discharge ports (16, 17) of the pump is blocked by walls (18, 19) of the ...  
WO/1986/000951A1
Apparatus (42, 72) for filling a hose (36) with water (12) and simultaneously for expelling air from the hose while connected to the vacuum side of a pump (20) in preparation for cleaning debris from a swimming pool (10) without loss of ...  
JP2019214965A
[Subject] Realize cost reduction by reduction of part mark, and a miniaturization and a weight saving of apparatus, and get stable high self-priming performance. [Means for Solution] In a pumping plant provided with a head chamber (23) w...  
JP2019190338A
To provide a self-priming pump that can shorten self-priming time.A self-priming pump according to an embodiment comprises: an impeller comprising a first shroud capable of rotating around a predetermined rotating shaft and comprising a ...  
JP2019190339A
To provide an impeller capable of preventing deterioration of self-priming efficiency and pump efficiency, and a self-priming pump device.An impeller 60 comprises: a first shroud 61 having a center arranged on the axial line of a rotatio...  
JP6592231B2  
JP2019163715A
To provide an electric pump usable for a well or the like where a water surface is changed in a prescribed depth (a depth of about 9 m, for instance) without a complicated structure.An electric pump 1 includes: a first fixture 9 for susp...  
JP6571811B2  
JP3222609U
[Subject] It is a device used attaching to a pump casing of a non clog pump, and adds a self-priming function to a non clog pump. [Means for Solution] Suction pipe 20 which is a device used attaching to casing 2 of a non clog pump, and i...  
JP2019132135A
To provide a self-priming pump and a pump unit capable of accurately detecting full-water in the pump and a suction pipe.A pump 11 includes an impeller 11a, a pump casing 11b storing the impeller 11a, and a switch 33 for switching from a...  
JP2019132134A
To provide a self-priming pump and a pump unit capable of setting a return flow path in an open state surely during self-priming operation and in a closed state surely during liquid-pumping operation, and thus capable of enhancing operat...  
JP6530993B2  
JP2019086004A
To improve the reliability in decision whether a self-priming pump is performing a self-priming operation or not in a simple configuration.A driving device (inverter 30) of a self-priming pump of the invention comprises a current detecto...  
JP6514643B2  
JP2019039413A
To provide a pump capable of efficiently cooling a motor.The present invention relates to a pump configured to guide water from a suction port 1 to a discharge port in an upper part of the pump. The pump consists of a suction pipe part, ...  
JP6469384B2  
JP2019019734A
To grasp a full water detection error.A control device comprises: a determination part for determining a preset suction pressure that is a suction pressure of a vacuum pump 2 estimated in the case of full water or a preset current value ...  
JP2019015232A
To provide a water supply device that is easily portable in a narrow place, a conveying method for the water supply device, and a conveying jig for the water supply device.A water supply device 1 comprises a pump 2 for pressurizing liqui...  
JP2019015231A
To provide a pump unit that can enhance a cooling effect inside a unit cover.A pump unit comprises a unit base 5 provided with a pump 2, a unit cover 6 for covering the pump 2, and a cooling fan 61 arranged together with the pump 2 insid...  
JP6463131B2  
JP2019011702A
To restrict the increment in passing water resistance during pump unit operation.A pump unit comprises an impeller 12 connected to an electric motor in a casing 11 and connecting a casing cover 14 to a suction flange 15 via a water-seali...  
JP2019002390A
To ensure that a degree of falling water or a degree of possibility can be easily grasped by using a simple structure in a pump device.A pump device 10 comprises a pump 13 comprising an impeller 21 and a pump casing 20, a vacuum pump 30 ...  
JP2018204566A
To provide a self-priming centrifugal pump capable of improving self-priming performance with a simple structure.A self-priming centrifugal pump comprises an impeller, and a pump casing storing the impeller. In the pump casing, provided ...  
JP2018178856A
To suppress heating of a casing during self-priming operation of a pump device.A pump device includes: an impeller (16) rotationally driven by a motor (2); a casing (17) positioned so as to cover an outer periphery of the impeller (16), ...  
JP2018178742A
To provide a pump unit that can properly support a frozen crack due to handling fluid.A pump unit 100 includes: a pump device 1 provided with a plurality of entry/exit ports for water; and a closing device 60 closing at least a discharge...  
JP2018178716A
To provide a pump inspection jig capable of easily inspecting an inspection portion using an endoscope, even in a pump casing not provided with an inspection port at an upper part of the inspection portion.A pump inspection jig 20 inspec...  
JP2018178855A
To achieve cost reduction, miniaturization and lightweight of a device by reducing the number of components and acquire stable and excellent self-priming performance.A pump device includes: a head chamber (23) having an air-water separat...  
JP2018173123A
To provide a plug which achieves good workability with fingers and can be removed by a highly versatile tool.A plug 1 includes: a male screw part 12; and a head part 11 provided at one end of the male screw part 12 and having a discoid b...  
JP2018145931A
To provide a pump facility that can reliably prevent liquid from flowing into a vacuum device.A pump facility comprises an impeller 6, a pump casing 7 in which the impeller 6 is housed, a vacuum pipe 9 connected to the pump casing 7 at a...  
JP2018131992A
To provide a water supply device which does not require opening of a faucet (such as a cock) in a building and further is capable of preventing water from being splashed when a water drain valve is unfastened during water drain work.A wa...  
JP2018112070A
To provide a fluid delivery device which enables gas drainage from a motor pump to be securely performed even if a non-return valve is provided at a discharge pipeline.A canned motor pump 12 has: a suction port 22 provided at a lower par...  
JP2018066380A
To improve the reliability in decision whether a self-priming pump is performing a self-priming operation or not in a simple configuration.A driving device (inverter 30) of a self-priming pump of the invention comprises a current detecto...  
JP2018066278A
To provide a water supply system that can constantly fill inside a pump with water and transport the water immediately.A water supply system includes: a pump 1; a suction pipe 2 connected to a suction port 1a of the pump 1; a discharge p...  
JP6316613B2  
JP2018059469A
To provide a self-priming pump capable of shortening a self-priming time by enhancing discharge efficiency for air in a liquid without using any complicated structure.The present invention relates to a self-priming pump comprising a casi...  
JP2018009549A
To improve self-priming performance during a self-priming operation of a pump, without deteriorating discharge performance during normal operation of the pump.A self-priming pump 10 is equipped with a pump case 12; an impeller case 22 di...  
JP2018003638A
To provide a self-priming pump capable of improving withdrawal performance and improving discharge flow rate.This invention relates to a self-priming pump comprising a casing having fluid intake port and fluid discharging port; an impell...  
JP2017219172A
To enable a priming plug to be easily rotated with smaller force.A priming plug includes a head part and a screw part, and the screw part is screwed into a priming inlet provided in a pump casing. The head part includes a pair of project...  
JP2017210930A
To provide a regenerative pump capable of suppressing energy loss produced on a gas-liquid separation plate and suppressing deterioration of efficiency of the pump.A regenerative pump 1 includes a casing 2 formed of a delivery port for d...  
JP6236535B2  
JP6229514B2  
JP2017194021A
To provide a feed water supply system including a self-priming pump capable of improving a pump performance at the time of liquid pumping-up operation without decreasing a self-priming performance at the time of self-priming operation.A ...  
JP2017180254A
To provide an impeller in which noise can be reduced without degrading pump performance by simple processing.An impeller 1 according to the present invention comprises a disk-shaped main plate 12, and a blade 14 erected from the main pla...  
JP2017180655A
To provide a non-return valve which unfailingly prevents reverse flow of a liquid.A non-return valve 7 of the invention has: a valve seat 15 having a seat surface 15a and in which a passage 15b extending from the seat surface 15a is form...  
JP2017172376A
To provide a water supply unit having excellent cooling performance.A water supply unit according to an embodiment of the present invention comprises: a box-shaped first base that comprises a bottom part, and a peripheral wall part exten...  

Matches 151 - 200 out of 2,710